BOROUX Legacy 3-Gallon review
By Daryna Klochko · Published · Specs checked Oct 14, 2026 · 
Scores 9.75/10, 1st of the 18 gravity filters we track. At $355 it costs more than the category median of $249. BOROUX also claims Chlorine, Lead, VOCs, PFOA/PFOS, which are not in the listing. It carries a lifetime warranty, against a 3-year category median.
A certified health claim: WQA lists it for Microplastics, one of 7 among the 18 gravity filters
- Price
- $355
- Certified for
- Microplastics
- Flow
- Not stated
- Cartridge life
- 12-month cartridge
- Cost per year
- $159
- Warranty
- Lifetime
Certification
Listed by WQA under NSF/ANSI 42 · 401 for Microplastics, checked Oct 14, 2026. BOROUX also claims 4 more substances that are not in the listing. Search the WQA listings
- Microplastics
BOROUX also claims Chlorine, Lead, VOCs, PFOA/PFOS: brand claims, not in a certifier listing.
The contaminants or other substances removed or reduced by this water treatment device are not necessarily in your water. Listing checked on Oct 14, 2026. What a listing means and what it doesn't
Specs and sources
Checked Oct 14, 2026 · source under each valueFiltration
Cartridges and install
Buying
Warranty, returns and shipping
Lifetime on the chambers; filters 1 year.
Warranty: Lifetime on the chambers; filters 1 year. Returns: 60 days. Shipping: not stated by the brand. Source: boroux.com, checked Oct 14, 2026.
Source: boroux.com, checked Oct 14, 2026.
Compared with similar gravity filters
All 18 gravity filters →| Model | Price | Certified for | Cost per year | Warranty | Score | Where to buy |
|---|---|---|---|---|---|---|
| Alexapure Pro | $279.99 | Brand claims only | $237 | Not stated | 8.5/10 | Check price → |
| Doulton British Berkefeld Duke 2.25-Gallon | $305 | Cysts · Microplastics | $168 | Lifetime | 9.5/10 | Check price → |
| Santevia Glass Water System | $319.99 | Brand claims only | $161 | 10 years (limited) | 9.25/10 | See specs → |
| BOROUX Legacy 3-GallonTHIS MODEL | $355 | Microplastics | $159 | Lifetime | 9.75/10 | Check price → |
| Rorra Countertop System | $449 | Brand claims only | $260 | 1 year (filter 90 days) | 8.5/10 | Check price → |